Year	Percent Change
1996-01-01	8.433672903640840
1997-01-01	8.333213617118970
1998-01-01	7.699203341363400
1999-01-01	7.272255366799770
2000-01-01	5.977189520320390
2001-01-01	2.004588732725460
2002-01-01	3.243297465301520
2003-01-01	5.202749846928700
2004-01-01	4.610444586875880
2005-01-01	3.465010569054670
2006-01-01	1.409352574802570
2007-01-01	0.876032969532580
2008-01-01	3.589771482471840
2009-01-01	3.322072350084840
2010-01-01	-0.277920451306218